Independently of the dose, the ascorbic acid had little effect on the retention of the red color of the lychee pericarp. The polyphenoloxidase and peroxidase activities in the lychee pericarp was increased with lower doses of ascorbic acid (0, 5 and 10 mM), however, there was pericarp browning after the fourth day in all fruits treated with

ascorbic acid. Ascorbic acid was not efficient in maintaining the internal quality of fruit.”
“Objective To identify the variables associated with sepsis-associated mortality, as well as to develop a severity risk score to predict death in very low-birth-weight (VLBW) neonates affected by nosocomial sepsis.\n\nStudy Design Retrospective cohort study. Infants weighing <= 1500 g with neonatal sepsis of nosocomial origin were included. Epidemiological, clinical, and laboratory Taselisib cell line variables were recorded at onset (0 hours), at 12 hours, and at 24 hours. Bivariate and multivariate analyses were performed.\n\nResult The study population included 95 VLBW infants NVP-HSP990 inhibitor who presented 129 episodes of nosocomial sepsis. In the bivariate analysis, gram-negative bacilli as the etiology

of sepsis, seizures, age, postconceptional age, weight, serum procalcitonin (24 hours), platelet count (24 hours), blood urea nitrogen (0 and 24 hours), creatinine (24 hours), diuresis (12 and 24 hours), mean blood pressure (12 and 24 hours), pH, base excess (0, 12, and 24 hours), and SpO(2) (pulse oximetric saturation):F-IO2 (fraction of inspired oxygen) ratio (12 and 24 hours) were significantly associated with mortality. In the multivariate analysis, weight at the onset of sepsis, base excess (0 hours), and SpO(2):F-IO2 ratio (12 hours) were independent predictors of mortality.\n\nConclusion A lower

weight at the onset of sepsis, base excess, and SpO(2):F-IO2 ratio are useful to predict nosocomial sepsis-associated mortality in VLBW infants.”
“Context: Diabetes mellitus is increasingly affecting Africa. Objective: Urbanization of the Ovahimba people in Namibia is associated with an increased prevalence of disorders of glucose metabolism, and may thus be attributed to changes of cortisol homeostasis. Design: A prospective, Vorinostat supplier cross-sectional, diagnostic study was applied. Setting: The study was conducted in the field. Location of the Diabetes Epidemic: Africa and Namibia. Participants: Ovahimba people: group 1 “urban” n = 60, 42 females, 46.3 +/- 11.3 years (town); group 2 “rural” n = 63, 44 females, 51.1 +/- 12.0 years (seminomadic). Interventions: oGTT, sunrise and sunset saliva cortisol, metabolic parameters, questionnaire. Main Outcome Measure: The prevalence of disorders of glucose metabolism (DM, IGT, IFT). Results: The prevalence of disorders of glucose metabolism differed significantly: urban group n = 17(28.3%) vsruralgroupn = 8(12.7%)(P = 0.04). The saliva cortisol concentrations also differed significantly: sunrise 0.34 +/- 0.18 vs 0.12 +/- 0.15 mu g/dL, sunset 0.18 +/- 0.20 vs 0.07 +/- 0.

No differences between patients and controls were found in the rate of DNA repair or in cell cycle distribution. Conclusions. The significant differences in DNA damage response signalling observed involve modification of histone variant H2AX and thereby implicate regulatory processes determining chromatin structure in dividing

lymphoblasts from patients with schizophrenia. The role that aberrant DNA damage response signalling plays in protecting patients BIX 01294 molecular weight from cancer is unclear.”
“OBJECTIVE: To summarize Cochrane reviews of acupuncture for neurological disorders, and characteristics of included reviews and studies.\n\nDATA SOURCES: A computer-based online search of the Cochrane Library (Issue 7 of 12, July 2010) was performed with the key word “acupuncture” and systematic evaluations for acupuncture for neurological disorders were screened.\n\nSTUDY SELECTION: Systematic reviews on acupuncture in the treatment of neurological disorders were included, and the characteristics of these reviews were analyzed based on methods recommended by the Cochrane collaboration.\n\nMAIN OUTCOME MEASURES: Basic characteristics, methodological quality, main reasons for excluding

NSC23766 trials, results and conclusions of Cochrane reviews were assessed.\n\nRESULTS: A total of 18 Cochrane systematic reviews were included, including 13 completed reviews and five research protocols. The 13 completed reviews involved 111 randomized controlled trials,

including 43 trials (38.7%) conducted in China, 47 trials (42.3%) using sham-acupuncture or placebo as control, 15 trials (13.5%) with relatively high quality, 91 trials (81.9%) reporting data on follow-up. Primary outcomes used in the Cochrane reviews were reported by 65 trials (58.6%), and adverse events were reported in 11 trials (9.9%). Two hundred and eighty three trials were excluded. Two reviews on headache suggested that acupuncture is a valuable non-drug treatment for patients with chronic or recurrent headache, and has better curative effects on migraine compared Z-IETD-FMK inhibitor with preventative drug treatment.\n\nCONCLUSION: Of the Cochrane reviews on acupuncture in the treatment of neurological disorders, two reviews evaluating the efficacy of acupuncture in treating headaches drew positive conculsions, while other reviews did not obtain positive conclusions due to a small sample size or low methodological quality. The methodological quality of acupuncture trials needs further improvement.”
“Introduction: Although recent health care reforms will expand insurance coverage for U. S. children, disparities regarding access to pediatric care persist, even among the insured. We investigated the separate and combined effects of having health insurance and a usual source of care (USC) on children’s receipt of health care services.

Primary osteoblast-like cells were used SBC-115076 datasheet to specifically address this issue: To investigate the effects of SAW on the cells’ viability, proliferation, and differentiation. Fluorescence-labeled osteoblast-like cells were seeded into polycaprolactone scaffolds using the SAW method with a static method as a control. The cell distribution in the scaffold was assessed through image analysis. The cells were far more uniformly driven into the scaffold

with the SAW method compared to the control, and the seeding process with SAW was also significantly faster: Cells were delivered into the scaffold in seconds compared to the hour-long process of static seeding. Over 80% of the osteoblast-like cells were found to be viable after being treated with SAW at 20 MHz for 10-30 s with an applied power of 380 mW over a wide range of cell suspension volumes (10-100 mu l) and cell densities (1000-8000 cells/mu l). After determining the optimal cell seeding parameters, we further found that the treated cells offered the same functionality as untreated cells. Taken together, these results show that the SAW method has significant potential as a practical scaffold cell seeding method for tissue and orthopedic engineering. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3194282]“
“The total yield of cv. Hass

and Mendez avocado trees was evaluated in Grove 1 in Uruapan county: four trees were sunblotch-infected, CBL0137 nmr four asymptomatic (molecularly positive), and four healthy. A further four healthy and four symptomatic trees were evaluated in Grove 2 in Tingambato county. There was a significant 75 % reduction in the total Hass fruit weight from symptomatic trees in Grove 1 (213 kg vs 751 kg in healthy trees) and a 52 % reduction (124 kg vs 255 kg) in Grove 2 (Tukey, p = 0.05). This reduction was more severe in Mendez: 83 % in Grove 1 (183 kg vs 1,053 kg) and 76 % in Grove 2 (82 kg vs 340 kg). Yield of asymptomatic trees was reduced to 58 % in Mendez and 30 % in Hass. The average weight of 100 fruits was reduced by 13-28 % in Hass and 20-27 % in Mendez in Groves

2 and 1 respectively. The equatorial diameter of 100 check details symptomatic fruits was 8 % lower in Hass in both groves, and 20-28 % lower in Mendez. The polar diameter decreased by 8-10 % in Hass and 10-11 % in Mendez. The incidence of symptomatic fruits was 46-62 % in Hass and 20-28 % in Mendez. Yield of ASBVd symptomatic Hass and Mendez trees was significantly reduced and fruit morphology negatively affected.”
“The authors describe two unique clinical cases of closed extensor digiti minimi (EDM) tendon injuries after hyperflexion of the wrist with full finger flexion and one case of chronic tenosynovitis around the EDM tendon. All three cases were thought to be related to the bifurcation of the EDM tendon and synovial septum.

“
“Cancer prevention is central to the mission

of the American Cancer Society (ACS). The ACS’s prevention activities take many forms, but are primarily focused on modifiable risk factors that have been demonstrated to have the largest impact on cancer risk in the general population (with particular emphasis on tobacco use because of its large impact on cancer), and well-proven policy and program interventions. The ACS addresses nutrition, physical inactivity and obesity, alcohol consumption, excessive sun exposure, prevention of certain chronic infections, and selected other environmental factors through a variety of venues, including consensus guidelines (eg, nutrition and selleck chemical physical activity, human papillomavirus vaccination) and developing educational materials for health care providers and the general public. In contrast to the broad definition of environmental factors

used by the ACS and most other public health agencies, some members of the general public associate the term “environmental” only with toxic air and water pollutants and other, predominantly manmade, hazards that people encounter, often involuntarily, in their daily life. This article will provide an overview of the ACS’s approach to the prevention of cancer associated with such toxic pollutants in the context of its mission and priorities STA-9090 with respect to cancer prevention. CA Cancer J Clin 2009;59:343-351. (C)2009 American Cancer Society, Inc.”
“The effect of imidazo[4,5-d]phenazine (Pzn) attached to the 5(‘)-end of (dT)(15) oligonucleotide via a flexible linker on the thermal stability of poly(dA)center dot(dT)(15) duplex was studied in aqueous buffered solution containing 0.1 De NaCl at the equimolar ratio of adenine and thymine bases (100 mu M each) using spectroscopic techniques. Duplex formation was investigated by measuring UV absorption and fluorescence melting curves for the Pzn-modified system. Tethered phenazine derivative enhances the thermostability of poly(dA)center dot(dT)(15) duplex increasing the helix-to-coil transition temperature

by 4.5 A degrees D due to an intercalation of the dye chromophore between AT-base pairs. The thermodynamic parameters of the transition for AZD1480 non-modified and modified systems were estimated using “all-or-none” model. The modification of the (dT)(15) results in a decrease in the transition enthalpy, however, the observed gain in the Gibbs free energy of complex formation, Delta G, is provided with the corresponding decrease in entropy change. The increase of Delta G value at 37 A degrees C in consequence of (dT)(15) modification was found to be equal to 1.3 kcal/mol per oligonucleotide strand.”
“Introduction. Galactocele, generally occuring in young women during or after lactation, is an extremely rare cause of breast enlargement in infants and children of exclusively male gender. Only 26 cases have been published so far, including two our cases. Case report.

We included data on all discharges of patients diagnosed with SC from the 2008 to 2009 National Inpatient Samples and randomly selected 1-to-1 age-matched controls from patients hospitalized with MI and patients hospitalized with joint injuries after trauma. We used McNemar tests to assess differences in demographic characteristics and

co-morbidities between patients with SC and controls. There were 24,701 patients with SC in our study. Of patients with SC, 89.0% were women compared to 38.9% of patients with MI and 55.7% of orthopedic controls. Patients P005091 cost with SC were more likely to be white and to reside in wealthier ZIP codes compared to MI and orthopedic controls. Patients with SC were less likely to have cardiovascular risk factors compared to MI and orthopedic controls but were more likely to have had histories of cerebrovascular accidents, drug abuse, anxiety disorders, mood

disorders, malignancy, chronic liver disease, and sepsis. In conclusion, demographic and co-morbid predictors of SC differ substantially from those of MI and may be of interest to providers when diagnosing SC. Several co-morbid risk factors predictive of SC may operate by increased catecholamines. FK506 nmr (C) 2012 Elsevier Inc. All rights reserved. (Am J Cardiol 2012;110:1368-1372)”
“G protein-activated K+ channel 2 (GIRK2) find protocol and cAMP-response element binding protein (CREB1) are involved in synaptic plasticity and their genes have been implicated depression and memory processing. Excessive rumination is a core cognitive feature of depression which is also present in remission. High

scores on the Ruminative Response Scale (RRS) questionnaire are predictive of relapse and recurrence. Since rumination involves memory, we tested the hypothesis that variation in the genes encoding GIRK2 (KCNJ6) and CREB1 mechanisms would influence RRS scores. GIRK2 and CREB1 polymorphisms were studied in two independent samples (n=651 and n=1174) from the general population. Strongly significant interaction between the IT genotype of rs2070995 (located in KCNJ6) and the GG genotype of rs2253206 (located in CREB1) on RRS were found in both samples. These results were validated in an independent third sample (n=565; individuals with personality disorders) showing significant main effect of the variants mentioned as well as significant interaction on a categorical diagnosis of Cluster C personality disorder (obsessional-compulsive, avoidant and dependent) in which rumination is a prominent feature. Our results suggest that genetic epistasis in post-receptor signaling pathways in memory systems may have relevance for depression and its treatment. (C) 2010 Elsevier B.V. and ECNP. All rights reserved.

Equilibrium sedimentation revealed Quizartinib that the reduced dimer dissociated at lower GdmCl concentration than the oxidized form. This implies that the disulfide bond shifts the monomer-dimer equilibrium. Interestingly, the dimer-monomer dissociation transition occurred at lower GdmCl concentration than the unfolding transition. Thus, disulfide bond formation in the human C(H)3 domain is important for stability and

dimerization. Here we show the importance of the role played by the disulfide bond and how it affects the stability and monomer -dimer equilibrium of the human C(H)3 domain. Hence, these results may have implications for the stability of the intact antibody.”
“Background: Acute soft tissue wounds are commonly seen in the prehospital setting. It was hypothesised that there is a lack of consistency in early management of trauma wounds, particularly in the dressings used.\n\nMethods: In January 2007 a questionnaire-based study was undertaken to evaluate the early management of such injuries. All 13 UK ambulance services were contacted, as well as 2 voluntary ambulance

services. The questionnaire considered the implementation of a wound treatment policy and staff training, immediate wound management selleck including haemostasis, cleansing, analgesia, dressings and the use of antibiotics.\n\nResults: The response rate was 100%. Only 27% of services had a wound treatment policy in place, but all services implemented staff training. All services regularly achieved haemostasis of wounds using a combination of pressure and elevation. Regular cleansing was performed by 47% of services and those that did so used normal saline or water. All ambulance services administered analgesics. The most commonly used analgesics were Entonox and intravenous morphine. Other analgesics administered were paracetamol and ibuprofen.

No local anaesthesia was used. Dressings were applied regularly by all services; 13 different types of dressings were in regular use.\n\nConclusions: click here This study confirmed that there is currently no national standard protocol for early acute wound management in the prehospital care setting. The key areas for improvement are cleansing, simplification of dressings and the introduction of standardised protocols and teaching.”
“Objective: To determine the pattern of Her-2/neu status among breast carcinoma in the University of Benin Teaching Hospital, Benin City, Nigeria.\n\nMaterials and Methods: Immunohistochemical staining for Her-2/neu was performed on 10% formalin-fixed, paraffin-embedded primary carcinoma of the breast from 83 patients, between 2003 and 2007 using anti-Her-2/neu rabbit polyclonal antibody (DakoCytomation, CA, USA) and reactivity detected by an avidin-biotin immunoperoxidase method. The clinicopathologic parameters analyzed were patients’ age, histological types, and tumor grade. The Her-2/neu Dako scoring system was used.

Anti-alpha(4)beta(1) also inhibited CCR4(-) activated CD4 cells more than CCR4(+) cells. Anti-E-selectin reduced activated CD8 more than CD4 cell migration. These findings modify our understanding of CCR4, ESL, alpha(4)beta(1), and dermal tropism. There is no strict relationship between CCR4 and ESL for skin homing of CD4 cells, because the activation state and inflammatory stimulus are critical determinants. Dermal homing memory CD4 cells express CCR4 and depend

more on alpha(4)beta(1) than ESL. Activated CD4 cells do not require CCR4, but CCR4(+) cells are more dependent on ESL than on alpha(4)beta(1), and CCR4(-) cells preferentially use alpha(4)beta(1). The differentiation from activated to memory CD4 cells increases the dependence on CCR4 for skin homing and decreases the requirement for ESL. The Journal of Immunology, 2012, 189: 337-346.”
“A novel Alvespimycin inhibitor giant magnetoresistive sensor and uniform high-magnetic-moment FeCo nanoparticles (12.8 nm)-based detecting platform with minimized detecting distance was developed for rapid biomolecule quantification from body fluids. Such a Momelotinib mouse system demonstrates specific, accurate, and quick detection and quantification of interleukin-6, a low-abundance protein and a potential cancer biomarker,

directly in 4 mu L of unprocessed human sera. This platform is expected to facilitate the identification and validation of disease biomarkers. It may eventually lead to a low-cost personal medical device for chronic disease early detection, diagnosis, and prognosis.”
“For the manufacture of dosage forms all ingredients must be reliably AG 14699 identified. In this paper, the suitability of FT-NIR spectroscopy to identify potassium sorbate, sodium starch glycollate, calcium ascorbate, calcium carbonate, candelilla wax, maltosextrin, monohydrated and anhydrous lactose inside USP vials was investigated.

Differentiation between the anhydrous and monohydrated forms of lactose was found to be possible by studying the regions of the near-infrared spectrum corresponding to the combination and first overtone stretching frequencies of water. The results show unequivocally the potential of FT-NIR spectroscopy for rapid, in situ and non-destructive identification of pharmaceutical excipients. (C) 2008 Elsevier B.V. All rights reserved.”
“PURPOSE: To compare differences in visual acuity, contrast sensitivity, higher order ocular aberrations, quality of life, and patient-reported outcomes at 3 and 6 months postoperatively in eyes with stable myopia undergoing thin-flap (intended flap thicknesses of 120 or 90 mu m) LASIK using the VISX Star S4 CustomVue excimer laser (VISX Inc), with flaps created by the IntraLase FS60 femtosecond laser (Abbott Medical Optics).

The fluence profile of the FFF beam was modified using a custom-designed

Nylon compensator to produce a similar dose profile to the flattened beam (6X) at the cell surface but at a higher instantaneous dose-rate. For both cell lines there appeared to be no significant change in cell survival. Curve fitting coefficients for DU145 cells irradiated with constant average dose-rates were 6X: alpha = 0.09 +/- 0.03, beta = 0.03 +/- 0.01 and 6FFF: alpha = 0.14 +/- 0.13, beta = 0.03 +/- 0.02 with a significance of p = 0.75. For H460 cells irradiated with the same instantaneous dose-rate but different average dose-rate the fit coefficients were 6FFF (low dose-rate): alpha = 0.21 +/- 0.11, 0.07 +/- 0.02 and 6FFF (high dose-rate): alpha = 0.21 +/- 0.16, 0.07 +/- 0.03, with p = 0.79. The results indicate that collective damage behaviour does

not occur at the instantaneous dose-rates investigated here selleck kinase inhibitor and that the use of either modality should result in the same clinical outcome, however this will require further validation in vivo.”
“Up-flow oxygen-controlled biofilm reactors equipped with a non-woven fabric support were used as a single reactor system for autotrophic nitrogen removal based on a combined partial nitrification and anaerobic ammonium oxidation (anammox) reaction. The up-flow biofilm reactors were initiated as either a partial nitrifying reactor or an anammox reactor, respectively, and simultaneous partial nitrification and anammox Danusertib was established by careful control of the aeration rate. The combined partial nitrification and anammox reaction was successfully developed in both biofilm reactors without additional biomass inoculation. The reactor initiated PND-1186 as the anammox

reactor gave a slightly higher and more stable mean nitrogen removal rate of 0.35 (+/- 0.19) kg-N m(-3) d(-1) than the reactor initiated as the partial nitrifying reactor (0.23 (+/- 0.16) kg-N m(-3) d(-1)). FISH analysis revealed that the biofilm in the reactor started as the anammox reactor were composed of anammox bacteria located in inner anoxic layers that were surrounded by surface aerobic AOB layers, whereas AOB and anammox bacteria were mixed without a distinguishable niche in the biofilm in the reactor started as the partial nitrifying reactor. However, it was difficult to efficiently maintain the stable partial nitrification owing to inefficient aeration in the reactor, which is a key to development of the combined partial nitrification and anammox reaction in a single biofilm reactor. (C) 2010 Elsevier Ltd. All rights reserved.”
“In this article several kinetic effects are proposed that induce compositional instabilities in thick InGaN heteroepitaxial layers on GaN templates grown by metalorganic chemical vapor deposition.

Forty (28.4%) had chronic hepatitis C,

33 (23.4%) past hepatitis C and 68 (48.2%) JNJ-26481585 nmr had never been infected, at screening LSM =8 kPa were found in 45.7%, 24.7% and 4.6% respectively. Among patients with chronic hepatitis C significant fibrosis was confirmed in 17.1% and cirrhosis in 2.9% by repeated LSM =8 and =12 kPa respectively. The median TE-value in never HCV-infected haemophiliacs was comparable with what has been found in healthy non-haemophiliacs. In Danish haemophiliacs where liver biopsy has not routinely been used for assessing severity of liver fibrosis, LSM identified advanced liver disease in one-fifth of cases that had not been recognized during clinical follow-up.”
“Uncertainties in the values of the parameters of a

system can originate from the manufacturing tolerances of the system components, which can produce a degree of unreliability in the performance of the system. A systematic framework for realistic reliability assessment of an electro-hydraulic servo system has been presented in this paper with the objective of providing adequate information for the selection of the best manufacturing process for each of the servo valve components. Monte Carlo simulation has been employed to evaluate the effect of these uncertainties of the servo valve parameters on the statistical performance of the system. Possible manufacturing processes have been introduced for each component and the justifiability of using each one has Selleck APR-246 been discussed based on the estimated reliability of the system. (C) 2013 Published by Elsevier Inc.”
“Substance abuse is a significant problem in the United States, with cocaine, marijuana, alcohol and heroin as the most commonly abused drugs. This article focuses on

urine drug testing to evaluate potential drug abuse or overdose in the emergent care setting using qualitative immunoassays. Discussion is included regarding the principles of how to validate qualitative immunoassays; how to decide on Sirtuin inhibitor appropriate specimen type, test menu and cutoff; the limitations of immunoassays; how to communicate test results to clinicians; and use of urine drug testing at point of care.”
“Background: In the 1970s, there were 2 reports of a late-onset adverse reaction during bolus infusions of benzyl penicillin, characterized by short-lived symptoms, most commonly abdominal pain. The mechanism is not known. We set out to further characterize this reaction. Methods: We conducted a prospective observational study of all adult patients receiving bolus intravenous (IV) beta-lactam antibiotics under the care of our Outpatient IV Antibiotic Service from 1 August 2007 to 31 January 2010, focusing on those who developed infusion-related symptoms. Results: During the 30-month study, 11 of the 163 patients (7%) treated with bolus IV beta-lactam antibiotics developed a late-onset infusion-related adverse reaction.

“
“Charles Darwin’s botanical studies provide a way to expose students to his work that followed the publication of On the Origin of Species. We can use stories from his plant investigations to illustrate key concepts in the life sciences and model how questions are asked and answered in science.”
“Neurofibromatosis type 1 (NF1) is an autosomal dominant, multi-system, neurocutaneous disorder that predisposes to the development of benign

and malignant tumors Ricolinostat in vivo with a birth incidence rate of 1 in 2500-3000. 50% of cases are sporadic. The diagnosis is exclusively based on clinical assessment with clinical diagnostic criteria such as cafe-au-lait spots, neurofibromas, axillary or groin freckling, Lisch nodules, optic pathway glioma, bony

dysplasia and first-degree relative with NF1. We report a family with NF1 in which two members presented find more atypical clinical features in addition to the classical diagnostic criteria. Three relatives affected by NF1, a father and two of his three sons, are described. The clinical diagnosis was originally worn in all three cases, with the association many spots cafe-au-lait over the entire body and some axillary freckling as well as first-degree relative. One case presented an Acute Myeloid Leukemia (AML) type 2 at 10 years of age diagnosed before the revelation of bicytopenia associated pallor and isolated asthenia. A second case presented a nephrotic syndrome at 4 years of age due to the association of hydrops with headache and asthenia. Direct sequencing of NF1 led to identify the familial mutation, a previously unreported heterozygous missense mutation c.3443C bigger than A, p. Ala1148Glu in exon 20

which segregated with all three affected patients. The family described in this report confirms the high clinical variability of NF1, even intrafamilial, and raises the question as to whether rare features such as AML and nephrotic syndrome are associated with NF1. Some NF1 patients presenting glomerular diseases or AML have rarely been reported, but due to the small number of cases described the mechanisms underlying these associations are poorly understood. However, it seems important to be aware of the possible occurrence of nephritic Navitoclax ic50 syndrome and/or malignant blood diseases in NF1 patients. (C) 2014 Elsevier Masson SAS. All rights reserved.”
“The quantum correlation dynamics in an anisotropic Heisenberg XYZ model under decoherence are investigated with the use of concurrence C and quantum discord (QD). There is a remarkable difference between the time evolution behaviors of these two correlation measures: there is a entanglement-sudden-death phenomenon in the concurrence while there is none in QD, which is valid for all of the initial states of this system, and the interval time of the entanglement death is found to be strongly dependent on the initial states and the parameters B and Delta.